/*!	 synfig/rendering/opengl/internal/antialiasing.h
**	 Antialiasing Header
**
**	......... ... 2015 Ivan Mahonin
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_RENDERING_GL_ANTIALIASING_H
#define __SYNFIG_RENDERING_GL_ANTIALIASING_H

#include "context.h"

namespace synfig
{
namespace rendering
{
namespace gl
{

class Antialiasing
{
public:
    Context &context;

private:
    bool allowed;

    GLint multisample_max_width;
    GLint multisample_max_height;
    GLuint multisample_texture_id;
    GLuint multisample_renderbuffer_id;
    GLuint multisample_framebuffer_id;

    GLint multisample_viewport[4];
    GLint multisample_orig_viewport[4];
    GLuint multisample_orig_draw_framebuffer_id;

public:
    Antialiasing(Context &context);
    ~Antialiasing();

    bool is_allowed() const
    {
        return allowed;
    }
    void multisample_begin(bool clear = true);
    void multisample_end();
};

}; /* end namespace gl */
}; /* end namespace rendering */
}; /* end namespace synfig */

#endif